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Finding the Fourth Proportional to 70,071.50, 96,700.72 and 38,242.44

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Solution

The fourth proportional to 70,071.50, 96,700.72 and 38,242.44 is: 52,775.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,071.50 : 96,700.72 = 38,242.44 : x
  2. Step 2: Convert to fraction form
    70,071.50/96,700.72 = 38,242.44/x
  3. Step 3: Cross multiply
    70,071.50x = 96,700.72 × 38,242.44
  4. Step 4: Simplify right side
    70,071.50x = 3,698,071,482.56
  5. Step 5: Solve for x
    x = 3,698,071,482.56/70,071.50
  6. Step 6: Final answer
    x = 52,775.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.